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Eaton DK3400F - Molded Case 400A 3-Pole (240V)

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Eaton DK3400F is a 3-pole molded case circuit breaker from the Series C family, designed for overcurrent protection in power distribution systems. It is rated for 400A at 240V AC with a 65kA interrupting capacity, utilizing a fixed thermal magnetic trip unit for long-time and instantaneous (LI) protection functions. The K-frame breaker weighs 13 lb and features a bolt-on connection, though it is supplied as a frame only without the trip unit or lugs. This unit complies with applicable industry standards for molded case circuit breakers. It is suited for commercial and industrial applications requiring reliable circuit protection in three-phase systems.

Key Features & Specifications
  • Manufacturer: Eaton
  • Item Subcategory: Molded Case
  • Family: Series C
  • Type: DK
  • Weight: 13 lb
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: K Frame
  • Voltage Rating: 240V AC
  • Poles: 3
  • Connection: Bolt-On
  • Protection: Thermal Magnetic
  • AIC rating: 65kA@240V
  • Phase: 3
  • Current Rating: 400A
  • Additional Info: Frame only, Trip unit and lugs not included


Product Identification
  • GTIN: 00621037049611